20131320155

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 24724587840

約数和(自身を除く): 4593267685

約数列:

[1, 5, 67, 229, 335, 397, 661, 1145, 1985, 3305, 15343, 26599, 44287, 76715, 90913, 132995, 151369, 221435, 262417, 454565, 756845, 1312085, 6091171, 10141723, 17581939, 30455855, 50708615, 60093493, 87909695, 300467465, 4026264031, 20131320155]

約数ペア:

[(1, 20131320155), (5, 4026264031), (67, 300467465), (229, 87909695), (335, 60093493), (397, 50708615), (661, 30455855), (1145, 17581939), (1985, 10141723), (3305, 6091171), (15343, 1312085), (26599, 756845), (44287, 454565), (76715, 262417), (90913, 221435), (132995, 151369)]